uworld wrong

Question 1

what’s the histo for MYXOMA

Answer 1

scattered cells w/in a mucopolysaccharide stroma. abnormal BV hemorrhaging

Question 2

what valve does MYXOMA usually obstruct

Answer 2

MITRAL(mid-diastolic murmur

Question 3

Nonbacterial thrombotic endorcarditis involves the deposition of what

Answer 3

platelets/fibrin (occurs in SLE/malignancy

Question 4

incomplete fusion of what causes a PFO

Answer 4

atrial septum primium and secundum

Question 5

what causes an ASD

Answer 5

aplasia of atrial septum secundum

Question 6

what arteries doe the common iliac give rise to

Answer 6

external and internal iliac

Question 7

what are the branches of external iliac

Answer 7

inf. epigastric & deep circumflex(supply lower ab)

Question 8

what are the branches of internal iliac

Answer 8

superior/inf gluteal, obturator

Question 9

when do you want to reduce baroreceptor firing

Answer 9

HYPOTENSION/LOW VOLUME

Question 10

if you REDUCE baroreceptor firing what should happen to contractility

Answer 10

INCREASE

Question 11

what do we consider bAROreceptor

Answer 11

pAROsympa

Question 12

distended jugular vein equals to what pressure

Answer 12

CVP(measures vol in the RA) increase in RT heart failure

Question 13

MV is associated w what type of tissue disorder

Answer 13

Connective(marfan, ehlers, osteogenis

Question 14

Polyarthritis Nodosa histo

Answer 14

fibrinoid degeneration of vessel wall w/narrowing transmurral segmental

Question 15

WEGNER description

Answer 15

Necrotizing arteritis w/epitheliod histiocytes

Question 16

Churg-Strauss description

Answer 16

Necrotizing granuloma w/ EOSINOPHILS

Question 17

what type of collagen is seen in a mature scar from MI

Answer 17

Type 1 Skin, bones, tendons, ligaments, cornea, dentin

Question 18

what’s EF in HOCM preserve/increase/decrease

Answer 18

PRESERVE due to intact LV contractility

Question 19

what will you see ina coronary angio w/ someone who has Vasospasm(printzmal angina)

Answer 19

NO OBSTRUCTIVE lesions. vasospam is due to hyperractivity of vascular SM

Question 20

what are two ways to cause apoptosis

Answer 20

ubiquitton proteosome/ Aphagy(vaculoes made w/in a cell

Question 21

what’s the most common cause of budd chiari

Answer 21

PCV due to increase in viscosity

Question 22

Hypoxemia

Answer 22

low partial pressure of O2 in blood(PaO2 <60 & SaO2 <90

Question 23

FiO2-PAO2-PaO2-SaO2 What can effect each

Answer 23

FiO2 (high alt not enough O2)

PAO2( n-ething that increase PACO2(COPD, HYPOVENT)

Question 24

what is the purpose of PAO2

Answer 24

the pressure to sqz blood across capillaries to PaO2

Question 25

what can effect PaO2

Answer 25

if the capillaries in the alveolar air sac are thickened (interstitial fibrosis of lung

Question 26

what's the role of Hb

Answer 26

to carry O2 to tissues

Question 27

what is Anemia

Answer 27

decrease in RBC MASS so PaO2/SaO2=NORMAL

Question 28

what is methemoglobenia

Answer 28

Iron oxidized to Fe+3 | caused by oxidant stressors(sulfa nitrate)

Question 29

What's PAO2/SaO2 in methehemoglobenia

Answer 29

PAO2=NORMAL | SaO2= DECREASE less Fe+2 around to bind trt: w/methylene blue bring bk to Fe+2

Question 30

what happens to PT/PTT/BT/PLT count in HUS

Answer 30

PT/PTT=Normal BT=increase PLT=decrease

Question 31

What's Serum Ca+2/uric acid, Urine Ca+2, pH, Cystine in Ca+2 oxalate stones

Answer 31

Serum Ca+2/ Uric acid=NORMAL URINE Ca+2=Increase URINE pH= decrease Urine Cystine=NORMAL

Question 32

What's Serum Ca+2/uric acid, Urine Ca+2, pH, Cystine in Ca+2 phosphate stones

Answer 32

Serum Ca+2= INCREASE Uric acid=INCREASE URINE Ca+2=Increase URINE pH= INCREASE Urine Cystine=NORMAL

Question 33

what will you see in histo for lactase def

Answer 33

Normal epi( tall vili w/ focal collections of goblet cells crypts of lieberkuhn) simple columnar epi

Question 34

Duod epi w/ dense staining of chromagin A describe what GI porblem

Answer 34

IBS

Question 35

what causes liver failure in overdose of acetominephen

Answer 35

N-acetyl-p-benzoquinoeimine(NAPQI) build up

Question 36

what's the most common twin prego

Answer 36

Monochorionic-diamniotic (cleaves day 4-8)monozygotic

Question 37

what is monochorionic

Answer 37

a shared placenta(increase risk for twin twin tranfusion syndrome

Question 38

what is diamniotic

Answer 38

2 sacs

Question 39

DOC for parkinsonian like symptoms

Answer 39

Benztropine/trihexyphnidyl(anti-musc) for ELDERLY amantadine(increase dopa)

Question 40

what's the lab for hyperosmolar hyperglycemic state

Answer 40

glucose>600 osmolality >320 Na+ low HCO3>18

Question 41

what is transformation/what bacteria can do it

Answer 41

bacteria tk up naked DNA from lysis bacteria & mk it there own & express new genes. (s.pneumo, H.influ b, Neisseria

Question 42

what kind of mutation do you see in achandroplasia

Answer 42

gain of FX of the fibroblas growth facto receptor 3 gene

Question 43

restrictive myopathy can cause what type of heart problem

Answer 43

DIALATED CARDIOMYOPATHY due to thransthyretin misfolding & producing amyloid in the heart